Tire tread



FIG. 1 is a front elevational view of a tire tread showing our new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a side elevational view thereof on a reduced scale;

FIG. 4 is an enlarged fragmentary front view thereof;

FIG. 5 is an enlarged fragmentary front view of a tire tread showing a second embodiment of our new design;

FIG. 6 is an enlarged fragmentary front view of a tire tread showing a third embodiment of our new design;

FIG. 7 is an enlarged fragmentary front view of a tire tread showing a fourth embodiment of our new design; and,

FIG. 8 is an enlarged fragmentary front view of a tire tread showing a fifth embodiment of our new design.

The tread pattern is understood to be repeated uniformly throughout the circumference of all five embodiments of the tire tread as depicted in the FIG. 2 illustration of the first embodiment thereof, and the broken line showing of the sidewalls in FIGS. 1, 2 and 3 of the drawing is for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 